Comparative ultrastructural analysis of the mechanism of secretion.
D000818:Animals; D001001:Anura; D002462:Cell Membrane; D002467:Cell Nucleus; D003593:Cytoplasm; D005215:Fasting; D005260:Female; D006056:Golgi Apparatus; D008854:Microscopy, Electron; D008928:Mitochondria; D010179:Pancreas / Q000166:cytology / Q000378:metabolism*; D010280:Parathyroid Glands / Q000166:cytology / Q000378:metabolism*; D051381:Rats